note: If the net weight of the sample yields a concentration below the standard for the substance, the OSHA-Salt Lake Technical Center (SLTC) will perform no further work on that sample. If the net weight corresponds to an amount greater than the standard, the sample may be analyzed for the oil and the result reported as that oil mist.

note: Submit a sample of the bulk oil substance in a separate mailing container other than used for air samples. Indicate on the air sample submission sheet that a bulk sample has been submitted. Cutting oils may contain nitrosamines.

current oil mist analysis method: The bulk sample is determined to fluoresce or not to fluoresce, and then the appropriate analysis method listed below is used to perform the analysis.

Lung disease and fibrosis of the lung may continue to worsen after removal from exposure (Skyberg et al. 1992).

There were 2 reported cases of fire-eater's pneumonia, a type of chemical pneumonitis that can occur during a flame-blowing or fire-eating performance, after accidental aspiration of paraffin oil. Symptoms included chest pain, shortness of breath, cough, fever, and hemoptysis (Yitig et al. 2012).

An uncommon but potentially serious disease resulting from exposure to oil mist is exogenous lipoid pneumonia. With this condition, proliferative fibrosis of the lungs can occur. The main issue with the disease is that symptoms are often nonspecific, and roentgenographic findings may simulate other diseases, so people may go undiagnosed. This could then lead to serious complications due to inappropriate curative measures (Spickard and Hirschmann 1994).

Regarding dermatitis, which may take a long time to heal, it has been suggested that biocides are the most common cause of allergic skin reactions, whereas irritation is mainly due to emulsifiers in the oil (Pryce et al. 1989).

Machining operations using straight, soluble and semi-synthetic fluids cause exposure to oil mist. These aerosols are complex mixtures including oil mist. Exposure to these mixtures is associated with respiratory conditions and possibly cancer, although the fraction of effects attributable to oil mist is undefined. (NIOSH, 1998).

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